Peter broadjqoks



P. BROADBOOKS.

VISE.

APPLICATION FILED JAN- H, l9l9.

' Patented Sept. 30, 1919;

WIIIlIII!1III!!!llllllmllllilllllh PETER niaonneooks, or el'mv'm, new YonK.

VISE.

Specification of Letters Patent.

Patented se t. 30, 1919.

Application filed time, 11, 1919. Serial no. 270,675.

. clear, and exact description thereof, reference being had to the accompanying drawings, which form part .of this specification.

This invention relates to 's'o-called quickaction bench vises, in which the movable jaw may be quickly adjusted relatively .to the fixed jaw until they are separated to an extent approximately equal to the thicknessor width of the object to be gripped thereby, and then the movable jaw may be screwadjusted to positively engage and clamp such object. I V v The invention relates particularly to the novel combined bar clutch and support of said Vises, which greatly lessens the cost of manufacture of the vises without impairing their efliciency. I I

In the accompanying drawings I have illustrated one practical form of vise embodying the invention and will explain same with reference thereto to enableothers to understand and use the same, but I do not consider the invention limited to the particular construction shown and therefore refer to the claims to summarize the essential features of the invention and the novel details of constructionv and novel combinations of parts therein for all of which protection is desired.

In said drawings:

Figure 1 is a side elevation of a vise embodying my improvements, showing the vise closed in full lines and opened in dotted lines.

Fig. 2 is a longitudinal vertical, section through Fig.

Fig. 3 is an enlarged vertical section on line 33, Fig. 1. I,

Fig. 4 is an enlarged sectional view of the sliding bar and combined clutch and support engaged therewith.

Fig. 5 is an enlarged side view of the combined clutch and support shown in Fig. 1.

This vice as shown comprises in general a main or fixed jaw 11; a slidable bar 3 ad the clutch member and support may jusauy supported in an Op ning in the standard supporting jaw 1; and a front or V movable jaw 5 supported upon and movable with bar 3, and also slidable upon this bar. The fear or fixed jaw l is formed with or attached to a standard 1? preferably formed with or rigidly attached to a base plate 1, which can be fastened in any suitable manner to the support, or bench, upon which the vise isto .be mounted.

The standard l has a longitudinal slot 1" through which the slidable bar 3 extends, as shown in the drawings. M v

The sliding bar 8 may be of. any desired length, according to the maximum width of objects which the vise is intended to grip. Said bar 3 preferably has aslot 3 in its lower side connecting with a superposed enlarged longitudinal bore 3 in the bar, said bore forming slideway extending from the rear endof the bar toward the front thereof. As the slideway 3 is wider thanthe slot 3 the slideway is adapted to engage and retain the head of the combined clutch member and support, hereinafter explained. V t v V Secured within the slot 1 inany suitable way is a combined clutch member and support, which in the form shown comprises a foot 2*, a stud or standard 2 rising therefrom, and a head or combined bearing and clutch member 2 2 the standard. 2 and head 2 2 are preferably formed integral, and they may also be formed integral with the base 2", or separate, and attached thereto. The combined clutch member and support can be made separate of steel and tempered and then attached to the jaw Preferably I make the clutch member and support integral and directly connectthem with the base plate or formthem therewitln su J that e assembled separately from the fixed jaw, and inserted or removed therefrom as a unit, being readily attachable thereto and detachable therefrom. p v

As shown in Fig. 1 the foot 2 is preferably secured by a screw 2* to the base plate 1, and the upstanding standard 2? r1ses from the base and extends through the narrow slot .3 in the bottom of bar 3 a nd ,the head we -,2 on the top of this sllpp t ng portion 2? operates within the slideway 3 in bar 3 and serves both tosupport and clutch bar 3 as hereinafter explained.

In the construction shown in Figs.;1' 4 the bar 3 rests upon the top of the inner end 2 of the head, as indicated at ,the point 2*, Figs. 2 and 3, while therear end and and outwardly: as shown so that byilifting underside of the part 2 of the head engages the underlying portions or lips 3 of. the slideway at the-opposite sides. ofthe slot 8, as indicated at the point 2 (Figs. 2 and 4) when the jaw 5 is lo-wered orwadjusted to clamp an object against jaw l.

The topv surface of the end 2? of the head is-inclined or beveled slightly downwardly lips 3 ofthe slideway 8" at points 2 and the parts will thus be engaged and the bar 3 clutched and locked in place when an ob- V ject is gripped between the jaws. The shape 5 to slide in or out on bar 3 when the screw is underside of the sliding bar 8.

ofthe head may be varied, provided its essential features are retained.

The front. jaw 5 is compleinental to the V jaw 1 and has its. shank formed with a mortise 5 for engagementwith the front end ofthe sliding bar 3, on which jaw 5 is slidably mounted. The outward movement of'the jaw 5 on and relative to the bar 3 may be limitedby a stop screw 3 tapped into the The jaw 5-1nay be adjusted on bar any suitable means. Asshown a screw 6 is tapped into the outer end of bar 3 the outer wall 5 of this mortise forms a wear plate against the inner face'ofwhich a collar 6 on the screw 6 bears, while the head 6 .of the screw bears against the outerface of wall 5 The collaran'd head compel theijaw turned by the usual hand-bar 6. The head of the hand-screw 6 being'placed near the upper edgezof said "jaw 5,'sa id screw-head willt'ake the greatest part of the strain. olf fromthe lower bearing 5 of said jaw.

.The outer upper end of the front jaw '5 is formed with a shield 5? above the screw .head to preventffilingsffrom dropping between the head of the screw and the jaw.

:The combined clutch and support being integral can be'rigidly attached to the base plate 1' within the opening in the jaw as shown; and can be readily adjusted or relaced with one screw, or bolt 2* it'mayalso e permanently attached to the vise, and

by having the clutch integrally formed with the support it can be made withlargerbearings and stronger.

Actual practical advantages of the construction shown in Figs. 1 to 4: are the corn- :blIlQCl clutch and support for bar 3; such member'canbe morereadily attached to a vise; it is more solid and firm; it can be made integral; it can be quickly removed; and vises with such combined clutch and support members will cost less to 1nanufacture. V The front jaw; as shown, canbe made smaller and lighter in weight than'hcreto fore, and'therefore-will be more easy to lift in unclutching the bar to quickly .adjust the jaws tog the object to be clamped.

The sides of the body. of thestationary jaw, and the sides of the slidin'gbar'are preferably plain and smoothfsothat there, is nothing to interfere with work placed in the vise, orin which filings lodge.

I claim: a p H 1. In a'vise," a fixed jaw having "an open ing through its standard; a sliding bar extending through said opening and having a slideway therein, and a slot in the bottom of said slidingbar communicating with said slideway; a movable jaw'slidably attached to said bar; a combined clutch and support within said opening and passing through said slot and having ,a head adapted to engage said slideway whereby the sliding bar will be rigidly held locked when the end of the bar carrying the movable jaw is low- 'ered and the jaws clamped upon an object; said combined clutch and support serving as a support upon which said sliding bar may' be lidfto and fro in adjusting it} 2. In a vise f the character shown and described, a jaw having an 'openingthrough its shank for asliding bar; a plain smooth surfaced rectangular sliding barhavinga longitudinal 'slideway therein "and a slot con V necting with said slidew'ay, a movable jaw slidably attached'to said bar to clamp the workbetween the jaws; a vcombinedclutch and support securedin the bottom of said opening and below the bar having a stand ard passing through the slot and a head on the standard engaging said slideway, 'thefl lower side of the head being adapted to contact with the lower walls of said 'slideway' whereby the sliding bar will become automatically locked to said clutch when the end of thebar carrying the movable jaw islowered and the jaws clamped upon an object, said head being tapered on its upper side and serving as a support upon which said sliding bar may be slid to and fro in adjusting the bar.

' 3. In a vise of the character shown and de- "scribed; a jaw having an opening through its standard for asliding bar; a plain smooth surfaced rectangular sliding bar having a slideway internally milledtherein and a slot connecting with said slideway; a movable aw shdably attached to said bar to clamp the work between the jaws; a combined clutch and support in said opening and be low the bar and having a head within said slideway, the inner upper end of the head supporting the bar when the end of the bar carrying the movable jaw is lowered or the jaws clamp'an object, and the lower side of the outer end of the headbeing adapted to contact with the lower walls of said slideway to automatically lock the sliding bar when the bar is lowered or the jaws clamped upon an object; said head also serving as a support upon which said sliding bar may be slid to and fro in adjustment, as and for the purpose specified.

4:. In a vise of the character described, a fixed jaw having an opening through its standard, a sliding bar passing through said opening and having a slideway therein, a movable jaw on the outer end of said bar, an integral combined clutch and support attached to the bottom of and within said opening and having a part extending to the slideway and a head thereon within said slideway, said head having one end adapted to engage the lower side of the guideway when pressure-is brought to bear upon the work by the movable jaw.

5. In a vise, a fixed jaw having an opening through its standard; a sliding bar extend ing through said opening and having a slide way therein, and a slot in the bottom of said sliding bar communicating with said slideway; a movable jaw slidably attached to said bar to clamp the work between the jaws; a combined clutch and support detachably attached to the base of the standard within said opening and passing through said slot and having a head adapted to engage the lower and the upper surface of said slideway whereby the sliding bar will be rigidly held locked when the end of the bar carrying the movable jaw is lowered and the jaws clamped upon an object; said combined clutch and support serving as a support upon which said sliding bar may be slid to and fro.

6. In a vise of the character described, a rear jaw and standard having an opening therethrough, a slidin bar extending through said opening and having a slideway therein and a slot in the bottom of said slideway, a movable jaw slidably attached to said bar; a combined clutch and support secured in said opening and having a part extending through the slot into the slideway, and having a flanged head in the slideway adapted to engage with the-lower and the upper surfaces of said slideway wherebythe sliding bar will be both supported and rigidly locked when work is clamped between the jaws; said head also serving as a support upon which said bar may be slid to and from in adjustment, substantially as described.

7 In a quick adjusting bench vise, the combination of a jaw body having an opening therethrough for the slide bar; a plain surfaced rectangular slide bar having a slideway internally formed therein, a combined clutch and support member attached to said body within said opening and below the slide bar; said member having a flanged head engaging said slideway; the flanges'of the head being adapted to contact with the lower wall of said slideway whereby the sliding bar will be supported on and automatically locked by said head when the jaws of the vise are in their normal upright posi tion; and a movable jaw slida-bly attached to said bar, substantially as described.

8. In a vise of the character described, a fixed jaw having an opening through its standard, a sliding bar passing through said opening and having a slideway therein, a movable jaw on the outer end of said bar, an integral combined clutch and support attached to the bottom of and within said opening and having a part extending to the slideway and a head thereon within said slideway, said head having one end adapted to engage the upper side of the guideway when pressure is brought to bear upon the work by the movable jaw, the inner end of said head being tapered on its underside and the outer end of said head being tapered at it upper side so that the bar may be tilted on the head and supported thereby while being adjusted longitudinally.

9. In a vise, a jaw standard having an opening, a sliding bar adapted to slide through said opening, a combined clutch and support within said opening having a head adapted to grip said sliding bar and hold same in operative position; a movable jaw having a mortise to engage the front end of said bar, a screw engaging said bar and passing through the outer wall of the mortise; a collar and a head on the screw adapted to engage opposite sides of the outer wall of the mortise to cause the screw to move said jaw; and a stop to limit the movement of said jaw on the bar.

10. In a vise of the character described, a rear jaw and standard having an opening therethrough, a sliding bar extending through said opening and having a slideway, a movable jaw slidably attached to said bar; a combined clutch and support in the opening of the standard having a part extending into the slideway and adapted to engage with both the lower and the upper surfaces of said slideway to support and rigidly lock the sliding bar when work is clamped between the jaws; said part also serving as a support upon which said bar may be slid to and fro in adjustment.

11. In a quick adjusting bench vise, the combination of a jaw body having an opening for the slide bar; a slide bar passing below the slide bar; said memberhaving a head engaging said slideway and adapted to ;support and automatically lock said bar when the jaws of the vise are in their normal upright position and, a movable jaw slidahly attached to said slide-bar, substantially as described. 7 V j j V y 10 In testimony that I claim the'foregoing as my own, I affix my signature I PETER iBRo DBooKs."

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Washington, .D. 0. 

